Frictionally engaged flat flow regulatory attachment



FIG. 1 is a top, left, front perspective view of the frictionally engaged flat flow regulator attachment according to my design;

FIG. 2 is a bottom, right, rear perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof, the rear elevational view being identical thereto;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a right side elevational view thereof, the left side elevational view being identical thereto.

The broken lines depict portions of the invention that form no part of the claimed design. 

The ornamental design for a frictionally engaged flat flow regulator attachment, as shown and described. 